<template>
  <div>
    <!-- 面包屑导航区 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片视图区域 -->
    <el-card>
        <!-- 搜索框和添加按钮 -->
        <el-row :gutter="20">
            <el-col :span="8">
                <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear='getGoodsList'>
                    <el-button slot="append" icon="el-icon-search" @click="getGoodsList">
                    </el-button>
                </el-input>
            </el-col>
            <el-col :span="4">
                <el-button  type="primary" @click="goAddPage">添加商品</el-button>
            </el-col>
        </el-row>

        <el-table
        :data="goodsList"
        style="width: 100%"
        border stripe>
            <el-table-column
            type="index"
            label="#"
            >
            </el-table-column>
            <el-table-column
            prop="goods_name"
            label="商品名称">
            </el-table-column>
            <el-table-column
            prop="goods_price"
            label="商品名称价格（元）" width="95px">
            </el-table-column>
            <el-table-column
            prop="goods_weight"
            label="商品重量" width="70px">
            </el-table-column>
            <el-table-column
            prop="add_time"
            label="创建时间" width="140px">
                <template v-slot='scope'>
                    {{scope.row.add_time | dataFormat}}
                </template>
            </el-table-column>
            <el-table-column
            label="操作" width="130px">
                <template v-slot='scope'>   
                    <!-- 修改按钮 -->
                    <el-button type="primary" icon="el-icon-edit" size="mini"></el-button>
                    <!-- 删除按钮 -->
                    <el-button type="danger" icon="el-icon-delete" size="mini" @click="deleteGoods(scope.row.goods_id)"></el-button>
                </template>
            </el-table-column>
        </el-table>

        <!-- 底部分页 -->
        <el-pagination
            @size-change="handleSizeChange"
            @current-change="handleCurrentChange"
            :current-page="queryInfo.pagenum"
            :page-sizes="[5, 10, 15, 20]"
            :page-size="queryInfo.pagesize"
            layout="total, sizes, prev, pager, next, jumper"
            :total="total"
        >
        </el-pagination>
    </el-card>

  </div>
</template>

<script>
export default {
    name:'List',
    data(){
        return {
            // 请求参数
            queryInfo:{query:'',pagenum:1,pagesize:10},
            // 请求得到的商品列表数据
            goodsList:[],
            // 请求得到的商品总数
            total:0
        }
    },
    methods:{
        async getGoodsList(){
            const {data: res} = await this.$http.get('goods',{params:this.queryInfo})
            console.log(res)
            if(res.meta.status !== 200){
                return this.$message.error('获取商品列表失败')
            }
            this.goodsList = res.data.goods
            this.total = res.data.total
        },
        // 监听pagesize改变事件
        handleSizeChange(newSize){
            this.queryInfo.pagesize = newSize
            this.getGoodsList()
        },
        // 监听pagenum改变
        handleCurrentChange(newPage){
            this.queryInfo.pagenum = newPage
            this.getGoodsList()
        },
        // 删除商品数据
        async deleteGoods(id){
            const confirmResult = await this.$confirm('是否删除该商品数据？','提示',{
                confirmButtonText: '确定',
                cancelButtonText: '取消',
                type: 'warning'
            }).catch(err => err)
            if(confirmResult !== 'confirm'){
                return
            }
            const {data: res} = await this.$http.delete(`goods/${id}`)
            if(res.meta.status !== 200){
                return this.$message.error('删除失败')
            }
                this.$message.success('删除成功')
                this.getGoodsList()
        },

        goAddPage(){
            this.$router.push('/goods/add')
        }
    },
    created(){
        this.getGoodsList()
    }
}
</script>

<style scoped>

</style>